Offshore Forecast
Issued by NWS

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555
FZPN28 KNHC 031433
OFFPZ8

Offshore Waters Forecast
NWS National Hurricane Center Miami, FL
733 AM PDT Wed Sep 3 2025

Offshore Waters Forecast for the E Pacific within 250 nm of
Central America, Colombia, and within 750 nm of Ecuador

Seas given as significant wave height, which is the average
height of the highest 1/3 of the waves. Individual waves may be
more than twice the significant wave height.

PMZ101-040245-
Synopsis for the E Pacific within 250 nm of Central America,
Colombia, and within 750 nm of Ecuador
733 AM PDT Wed Sep 3 2025

.SYNOPSIS...SW swell offshore of Ecuador and Colombia will
increase modestly today and Thu. Moderate gap winds across the
Papagayo region will pulse to fresh speeds at night through Thu.
Light to gentle winds will prevail elsewhere north of the monsoon
trough. Moderate to fresh S to SW winds are expected south of
the monsoon trough through the week.

$$

PMZ111-040245-
Guatemala and El Salvador to 250 nm offshore-
733 AM PDT Wed Sep 3 2025

.TODAY...SE winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period
19 seconds. Scattered showers and isolated tstms through the
day.
.TONIGHT...SE to S winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 18 seconds. Scattered showers and isolated tstms through
the night.
.THU...NE to E winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 17 seconds. Isolated tstms through the day.
.THU NIGHT...SE to S winds 10 kt in the evening, becoming
variable winds less than 5 kt. Seas 5 to 7 ft in S to SW swell.
Period 16 seconds. Scattered showers and isolated tstms through
the night.
.FRI...SE winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period
15 seconds.
.FRI NIGHT...SE to S winds 10 kt. Seas 5 to 7 ft in S to SW
swell. Period 14 seconds.
.SAT...E to SE winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 14 seconds.
.SAT NIGHT...SE winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 14 seconds.
.SUN...Variable winds less than 5 kt. Seas 4 to 6 ft in S to SW
swell. Period 14 seconds.
.SUN NIGHT...E winds 10 kt. Seas 4 to 6 ft in S swell. Period
14 seconds.

$$

PMZ113-040245-
El Salvador to North Costa Rica including the Gulfs of Fonseca
and Papagayo-
733 AM PDT Wed Sep 3 2025

.TODAY...S to SW winds 10 to 15 kt. Seas 4 to 6 ft in S to SW
swell. Period 19 seconds. Scattered showers and isolated tstms
through the day.
.TONIGHT...SW winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 18 seconds. Scattered showers and isolated tstms through
the night.
.THU...NE winds 10 to 15 kt, shifting to SE to S in the
afternoon. Seas 6 to 8 ft in S to SW swell. Period 17 seconds.
Scattered showers and isolated tstms through the day.
.THU NIGHT...Offshore Gulf of Papagayo, S winds 10 kt in the
evening, becoming variable winds less than 5 kt. Elsewhere, S to
SW winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell. Period
16 seconds. Scattered showers and isolated tstms through the
night.
.FRI...SW winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period
14 seconds.
.FRI NIGHT...SW winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 14 seconds.
.SAT...NW to N winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 14 seconds.
.SAT NIGHT...SE winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 13 seconds.
.SUN...W winds 10 kt. Seas 3 to 5 ft. Period 13 seconds.
.SUN NIGHT...SE to S winds 10 kt. Seas 3 to 5 ft. Period
14 seconds.

$$

PMZ115-040245-
North Costa Rica to West Panama to 250 nm offshore-
733 AM PDT Wed Sep 3 2025

.TODAY...SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell.
Period 16 seconds. Scattered tstms through the day.
.TONIGHT...W winds 10 kt Near the Azuero Peninsula, and SW to W
15 to 20 kt Elsewhere. Seas 6 to 8 ft in S to SW swell. Period
17 seconds. Scattered tstms.
.THU...SW winds 10 to 15 kt Near the Azuero Peninsula, and SW
15 to 20 kt Elsewhere. Seas 6 to 9 ft in S to SW swell. Period
17 seconds. Numerous showers and scattered tstms through the
day.
.THU NIGHT...SW to W winds 10 to 15 kt. Seas 6 to 8 ft in S to
SW swell. Period 16 seconds. Numerous showers and scattered
tstms through the night.
.FRI...SW to W winds 10 to 15 kt. Seas 6 to 8 ft in S to SW
swell. Period 14 seconds.
.FRI NIGHT...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in S to
SW swell. Period 14 seconds.
.SAT...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 14 seconds.
.SAT NIGHT...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in S to
SW swell. Period 14 seconds.
.SUN...SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell.
Period 14 seconds.
.SUN NIGHT...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in S
swell. Period 13 seconds.

$$

PMZ117-040245-
East Panama and Colombia including the Gulf of Panama-
733 AM PDT Wed Sep 3 2025

.TODAY...SW winds 10 to 15 kt. Seas 5 to 7 ft in SW swell.
Period 16 seconds. Scattered showers and isolated tstms through
the day.
.TONIGHT...SW winds 15 to 20 kt. Seas 6 to 8 ft in SW swell.
Period 17 seconds. Numerous showers and scattered tstms through
the night.
.THU...SW winds 15 to 20 kt. Seas 6 to 8 ft in SW swell. Period
17 seconds. Scattered showers and isolated tstms through the
day.
.THU NIGHT...SW winds 10 to 15 kt. Seas 6 to 8 ft in SW swell.
Period 16 seconds. Numerous showers and scattered tstms through
the night.
.FRI...SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell.
Period 14 seconds.
.FRI NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 14 seconds.
.SAT...SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell.
Period 14 seconds.
.SAT NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 12 seconds.
.SUN...SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell.
Period 12 seconds.
.SUN NIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
11 seconds.

$$

PMZ119-040245-
Ecuador including the Gulf of Guayaquil to 250 nm offshore-
733 AM PDT Wed Sep 3 2025

.TODAY...S to SW winds 10 to 15 kt. Seas 6 to 8 ft in SW swell.
Period 17 seconds.
.TONIGHT...S to SW winds 15 to 20 kt. Seas 6 to 8 ft in SW
swell. Period 17 seconds.
.THU...Gulf of Guayaquil, variable winds less than 5 kt,
becoming SW to W 10 to 15 kt in the afternoon. Elsewhere, S to
SW winds 10 to 15 kt. Seas 6 to 8 ft in SW swell. Period
16 seconds.
.THU NIGHT...S to SW winds 10 to 15 kt. Seas 6 to 8 ft in S to
SW swell. Period 15 seconds.
.FRI...SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell.
Period 14 seconds.
.FRI NIGHT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S to
SW swell. Period 14 seconds.
.SAT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 13 seconds.
.SAT NIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
13 seconds.
.SUN...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 13 seconds.
.SUN NIGHT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S to
SW swell. Period 13 seconds.

$$

PMZ121-040245-
Ecuador between 250 and 500 nm offshore-
733 AM PDT Wed Sep 3 2025

.TODAY...S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell.
Period 17 seconds.
.TONIGHT...S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell.
Period 16 seconds.
.THU...S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell.
Period 16 seconds.
.THU NIGHT...S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW
swell. Period 15 seconds.
.FRI...S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell.
Period 14 seconds.
.FRI NIGHT...S winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 14 seconds.
.SAT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds.
.SAT NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period
13 seconds.
.SUN...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds.
.SUN NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft in S swell.
Period 13 seconds.

$$

PMZ123-040245-
Offshore Galapagos Islands-
733 AM PDT Wed Sep 3 2025

.TODAY...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW
swell. Period 16 seconds.
.TONIGHT...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW
swell. Period 16 seconds.
.THU...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW
swell. Period 15 seconds.
.THU NIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S to
SW swell. Period 15 seconds.
.FRI...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 12 seconds.
.FRI NIGHT...SE to S winds 10 kt. Seas 4 to 6 ft in S to SW
swell. Period 12 seconds.
.SAT...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period
12 seconds.
.SAT NIGHT...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period
12 seconds.
.SUN...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S swell.
Period 12 seconds.
.SUN NIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S
swell. Period 14 seconds.

$$

Forecaster AL